Question

IN A LIBRARY 136 COPIES OF A CERTAIN BOOK REQUIRE A SHELF LENGTH OF 3.4M HOW MANY COPIES KF THE SAME BOOK WOULD OCCUPY A SHELF LENGTH OF 20.4M?

sᴛᴇᴘ ʙʏ sᴛᴇᴘ ᴇxᴘʟᴇɴᴀᴛɪᴏɴ ᴘʟᴢ​

Answer 1

816

I am using the method of proportion.

th dividing part:-

x=136×(20.4 ×¹⁰)

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(3.4×¹⁰)

= 136×204

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34

cut 34 and 204 by 2

= 136×102

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17

cut 17 and 102 by 17

= 136×6

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1

= 816

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1

= 816